Prep for USMLE

Username: Password:     Forgot Password

New:

Author	10 Posts
sing Forum Guru Topics: 153 Posts: 370	Sep 09, 2004 - 1:22 AM       #1 why v-wave is typically accentuated in mitral insufficiency?
Prep4USMLE.com Advertisement	Register To Remove Advertisement
sudipto1973 Forum Newbie Topics: 4 Posts: 31	Sep 09, 2004 - 6:11 AM       #2 ‘v’ wave → passive filling of RA during RV systole while tricuspid valve is closed. In Mitral sufficiency blood further regurgitates into right atrium causing the jugular venous pressure to rise and resulting in accentuation of v wave.
sing Forum Guru Topics: 153 Posts: 370	Sep 09, 2004 - 5:25 PM       #3 In mitral insufficiency, blood should further regurgitate to left atrium instead of right atrium. isn't it? so why does it cause v-wave?
mjl1717 Forum Junior Topics: 964 Posts: 5442	Sep 10, 2004 - 3:11 AM       #4 As said above: V wave is systolic filling of R atrium, tricuspid valve is closed, beginning of S2, terminates when tricuspid valve opens. Ican only say these facts: Mitral regurg- giant c and v waves Mitral Stenosis-no a wave
sudipto1973 Forum Newbie Topics: 4 Posts: 31	Sep 10, 2004 - 5:44 AM       #5 oops by mistake I said in mital regurgitation blood regurgitates into right atrium....apologies. I am waiting for someone to come up with the explanation of accentuated v wave in mitral insufficiency.
bluedusk Forum Elite Topics: 35 Posts: 217	Sep 10, 2004 - 8:58 PM       #6 you know, i think this question is describing a pulmonary arterial wedge pressure that is measuring from the left side. it's the only reasonable answer. also, in mitral (or tricuspid) stenosis, the a-wave is elevated, not diminished. the a-wave would be more likely to be attenuated in valvular insufficiency, i think.
mjl1717 Forum Junior Topics: 964 Posts: 5442	Sep 11, 2004 - 8:24 AM       #7 Its always great to ask why, but for usmle I think its best to know what happens normally at the a,c,v waves and how the waves appear with pathology.(eg. stenosis or regurg). {In other words have both graphs imprinted on the brains cells} I rest my case.
bluedusk Forum Elite Topics: 35 Posts: 217	Sep 11, 2004 - 4:10 PM       #8 given, but i do believe that it's an enhanced a-wave in tricuspid stenosis.
amitjosh Forum Senior Topics: 9 Posts: 116	Sep 13, 2004 - 9:18 PM       #9 Hi all, I am not sure but I think they are talking about measurements of PCWP rather than Jugular venous pressure.
Alina T Forum Elite Topics: 17 Posts: 388	Sep 14, 2004 - 6:09 AM       #10 I too agree it's giant a wave in Mitral Stenosis. it's normal to have an increase in venous pressure when the atrium struggles to push the blood thru a narrow valve...

This thread is closed, so you cannot post a reply.

Similar forum topics x-wave descent Why is the T wave upright? whats the wave file

Related resources ECG Wave Maven